feat!: update to rust-mcp-schema 0.10 with BTreeMap for deterministic serialization

[hashemix]

📌 Summary

Updates rust-mcp-schema dependency from v0.9.x to v0.10.0, which uses BTreeMap instead of HashMap. This ensures consistent JSON output regardless of insertion order, which is critical for reproducible snapshots, testing, and protocol consistency.

🔍 Related Issues

• Use BTreeMap instead of HashMap for deterministic serialization rust-mcp-schema#105

✨ Changes Made

• Update rust-mcp-schema dependency from 0.9 to 0.10 in Cargo.toml
• Replace HashMap with BTreeMap in rust-mcp-macros for schema properties
• Replace HashMap with BTreeMap in mcp_elicit macro for result content
• Update all test files to use BTreeMap instead of HashMap

🛠️ Testing Steps

run:

cargo make check